Why Milk Jugs Have That Little Dent — And What It’s Actually Designed to Do

design feature — one that makes milk jugs stronger, safer, more efficient, and even more environmentally friendly. What looks simple on the surface is the result of smart engineering and years of real-world problem-solving.

Here’s why that tiny indentation matters more than you might think.

A Built-In Flex Zone for Pressure Changes

A gallon of milk weighs continue reading …